Sun Valley, AZ Weather & Growing Conditions
Today
64°F
Sunny
Sunny. High near 64, with temperatures falling to around 58 in the afternoon. West wind 10 to 15 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Sunny | 10 to 15 mph W | 1% |
| Tonight | 35°F | Clear | 2 to 8 mph W | 1% |
| Thursday | 59°F | Mostly Sunny | 3 mph NE | 0% |
| Thursday Night | 35°F | Mostly Cloudy | 3 mph W | 1% |
| Friday | 60°F | Mostly Sunny | 1 to 6 mph N | 9% |
| Friday Night | 36°F | Partly Cloudy | 6 mph N | 9% |
| Saturday | 61°F | Sunny | 6 mph N | 0% |
| Saturday Night | 36°F | Mostly Clear | 3 to 7 mph NE | 0% |
| Sunday | 63°F | Sunny | 5 mph NE | 0% |
| Sunday Night | 36°F | Mostly Clear | 3 mph NE | 0% |
| Monday | 62°F | Mostly Sunny | 2 mph NE | 1% |
| Monday Night | 38°F | Partly Cloudy | 2 mph SW | 2% |
| Tuesday | 61°F | Mostly Sunny | 2 mph SW | 2% |
| Tuesday Night | 38°F | Partly Cloudy | 2 mph SW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sun Valley, AZ
Last spring frost
Apr 22
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
7a
Explore more for Sun Valley, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Holbrook, Az (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.